Patent US3588815A successfully refreshed from Google Patents.
US3588815A
Expired / Lapsed
US
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Tire pressure warning device
Assignee: Individual
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Filing: 1968-12-03
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Granted: 1971-06-28
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Expires: 1988-12-03
Abstract
Abstract TIRE PRESSURE SENSORS ENERGIZE A WHEEL MOUNTED TRANSMITTER RESULTING IN GENERATION OF AN R-F SIGNAL WHEN TIRE PRESSURE DECREASES BELOW A MINIMUM VALUE. A REMOTE CONTROL RECEIVER POSITIONED NEARBY A VEHICLE OPERATOR SENSES A TRANS- MITTED SIGNAL AND AN ALARM OR INDICATING DEVICE CONNECTED THERETO ALERTS THE VEHICLE OPERATOR.
Inventors
- 👤 Clyde Koonce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:50
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; B60C23/0408; B60C23/005; B60C23/009; B60C23/0422; B60C23/0433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |